单词 | air chamber |
释义 | air chamber/ˈɛː ˌtʃeɪmbə/noun 1A chamber or vessel containing air; specifically (a) (in a pump or other hydraulic machine) a receptacle containing air, acting to maintain constant pressure upon the water; (b) a chamber or cavity filled with air in a boat, airship, etc., to provide or assist buoyancy. 2 Biology. In an animal or plant: any chamber or cavity filled with air or gas; especially each of the gas-filled chambers in the shell of a cephalopod. OriginMid 17th century. From air + chamber. |
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